/Engine/Source/Runtime/NavigationSystem/Public/NavigationTestingActor.h
PathObserverDelegate) NOTE: InvalidatedPath doesn't have to be instance's current Path
void OnPathEvent ( [FNavigationPath](API\Runtime\NavigationSystem\FNavigationPath) * InvalidatedPath, [ENavPathEvent::Type](API\Runtime\Engine\AI\Navigation\ENavPathEvent__Type) Event )